akrosoma statusas T sritis augalininkystė apibrėžtis Spermio galvutės priekyje esantis lazdelės pavidalo darinys. atitikmenys: angl. acrosome rus. акросома

Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas. . 2010.

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  • acrosome — [ akrozom ] n. m. • 1904; all. Akrosoma 1898; de acro et some ♦ Biol. Organite situé à l extrémité antérieure des spermatozoïdes. ● acrosome nom masculin Extrémité antérieure différenciée du spermatozoïde. acrosome n. m. BIOL Organite sécrété… …   Encyclopédie Universelle

  • acrosome — acrosome. См. идиосома. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • acrosome — [ak′rə sōm΄] n. a thin sac usually at the head of a sperm cell containing enzymes which dissolve the protective layers of an egg cell acrosomal adj …   English World dictionary

  • Acrosome — In spermatozoa (also known as sperm/sperm cell) of many animals, the Acrosome is an organelle that develops over the anterior half of the sperm s head. It is a cap like structure derived from the Golgi apparatus. Acrosome formation is completed… …   Wikipedia

  • Acrosome — L’acrosome est un organite dont la membrane enveloppe partiellement le noyau du spermatozoïde. Celle ci se forme à partir des vésicules golgiennes (appareil de Golgi) lors de la spermiogenèse (passage de la spermatide ronde à la spermatide… …   Wikipédia en Français

  • acrosome — A caplike organelle or saccule derived from the golgi that surrounds the anterior two thirds of the nucleus of a sperm cell. Within this cap are enzymes that are thought to facilitate entry of the sperm through the zona pellucida. [acro + G. soma …   Medical dictionary

  • acrosome — n. the caplike structure on the front end of a spermatozoon. It breaks down just before fertilization (the acrosome reaction), releasing a number of enzymes that assist penetration between the follicle cells that still surround the ovum. Failure… …   The new mediacal dictionary

  • Acrosome reaction — During fertilization, the acrosome reaction is the reaction which occurs in the acrosome of the sperm as it approaches the egg. The acrosome is a cap like structure over the anterior half of the sperm s head.As the sperm approaches the zona… …   Wikipedia

  • acrosome reaction — a sequence of structural changes seen in spermatozoa in the vicinity of an oocyte in the uterine tube, believed to facilitate their entry into the oocyte: the outer membrane of the acrosome fuses at multiple points with the overlying plasma… …   Medical dictionary

  • acrosome — noun Etymology: International Scientific Vocabulary Date: 1899 an anterior prolongation of a spermatozoon that releases egg penetrating enzymes • acrosomal adjective …   New Collegiate Dictionary

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